Sotnikova Anna

From Kirov, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 20, 2023 (latest changes July 20, 2023).

131 place (182.32).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

p1 = (400 * 3.30 * 0.29 + 266.67 * 1.20 * 1 + 666.67 * 1.20 * 0.86 + 0 + 0) / (3.30 * 0.29 + 1.20 * 1 + 1.20 * 0.86 + 1 + 1) = 267.3973619939165

p2 = (666.67 * 1.20 * 0.86 + 400 * 3.30 * 0.29 + 266.67 * 1.20 * 1) / max_coefficients = 97.23473772181147

score = 267.3973619939165 * 0.5 + 97.23473772181147 * 0.5 = 182.316049857864

Rating changes

Show

all results
Date Place Points Reason
2023-07-20 132 -> 131 182.32
2023-07-06 131 -> 132 194.49 -> 182.32

Kirov Tournament: 43% -> 29%
2023-07-03 130 -> 131 204.23 -> 194.49

Vyatka rooster: 100% -> 86%
2023-06-19 131 -> 130 204.23
2023-06-12 131 201.91 -> 204.23
2023-06-11 118 -> 131 207.17 -> 201.91
2023-05-20 117 -> 118 204.96 -> 207.17
2023-05-06 115 -> 117 215.79 -> 204.96

Kirov Tournament: 57% -> 43%
2023-05-01 114 -> 115 215.79
2023-04-22 109 -> 114 215.79

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 267 2022-08-20 12/16 100% 1.20 CRR I still can declare riichi
2 667 2022-07-03 6/16 86% 1.20 CRR Vyatka rooster
3 400 2021-11-06 34/56 29% 3.30 RR Kirov Tournament